Question: Which triple star system has the most stellar rotational velocity?
Paraphrase: Which star system has the most rotational velocity?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q2088753 . ?ent wdt:P4296 ?obj } ORDER BY DESC(?obj)LIMIT 5 
Answer: Gamma Cassiopeiae, Gamma Cassiopeiae, Omicron Cassiopeiae, Gamma Ceti, HD 2913